Multi-chamber blowoff valve



FIG. 1 is a perspective view of a multi-chamber blowoff valve showingour new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The features shown in broken lines depict environmental structure onlyand form no part of the claimed design.

CLAIM The ornamental design for a multi-chamber blowoff valve, as shownand described.